11678266548 has 36 divisors (see below), whose sum is σ = 31790837988. Its totient is φ = 3593312640.

The previous prime is 11678266531. The next prime is 11678266549. The reversal of 11678266548 is 84566287611.

11678266548 is a `hidden beast` number, since 1 + 1 + 6 + 78 + 26 + 6 + 548 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3236699664 + 8441566884 = 56892^2 + 91878^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11678266548² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11678266494 and 11678266503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11678266549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12476313 + ... + 12477248.

It is an arithmetic number, because the mean of its divisors is an integer number (883078833).

Almost surely, 2^11678266548 is an apocalyptic number.

11678266548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11678266548 is an abundant number, since it is smaller than the sum of its proper divisors (20112571440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11678266548 is a wasteful number, since it uses less digits than its factorization.

11678266548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24953584 (or 24953579 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 11678266548 in words is "eleven billion, six hundred seventy-eight million, two hundred sixty-six thousand, five hundred forty-eight".